title: Tripterygium wilfordii Hook f in rheumatoid arthritis and ankylosing spondylitis. Preliminary report.
mesh_terms: D000293:Adolescent; D000328:Adult; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D002648:Child; D002681:China; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D008297:Male; D008598:Menstruation / Q000187:drug effects; D008875:Middle Aged; D010936:Plant Extracts / Q000009:adverse effects / Q000627:therapeutic use; D010946:Plants, Medicinal; D012871:Skin Diseases / Q000139:chemically induced; D013167:Spondylitis, Ankylosing / Q000188:drug therapy*
chemical_list: D010936:Plant Extracts